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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: kosaki.motohiro@jp.fujitsu.com,
	Andrew Morton <akpm@linux-foundation.org>,
	David Rientjes <rientjes@google.com>,
	Balbir Singh <balbir@linux.vnet.ibm.com>,
	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
	Divyesh Shah <dpshah@google.com>,
	linux-mm@kvack.org
Subject: Re: [patch] memcg: add oom killer delay
Date: Wed, 22 Dec 2010 17:31:28 +0900 (JST)	[thread overview]
Message-ID: <20101222173112.C6B5.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <20101222171749.06ef5559.kamezawa.hiroyu@jp.fujitsu.com>

> seems to be hard to use. No one can estimate "milisecond" for avoidling
> OOM-kill. I think this is very bad. Nack to this feature itself.
> 
> 
> If you want something smart _in kernel_, please implement followings.
> 
>  - When hit oom, enlarge limit to some extent.
>  - All processes in cgroup should be stopped.
>  - A helper application will be called by usermode_helper().
>  - When a helper application exit(), automatically release all processes
>    to run again.
> 
> Then, you can avoid oom-kill situation in automatic with kernel's help.

I bet a monitor use diffent memcg is simplest thing.



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  reply	other threads:[~2010-12-22  8:31 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-22  7:27 David Rientjes
2010-12-22  7:59 ` Andrew Morton
2010-12-22  8:17   ` KAMEZAWA Hiroyuki
2010-12-22  8:31     ` KOSAKI Motohiro [this message]
2010-12-22  8:48     ` David Rientjes
2010-12-22  8:48       ` KAMEZAWA Hiroyuki
2010-12-22  8:55         ` KAMEZAWA Hiroyuki
2010-12-22  9:21           ` David Rientjes
2010-12-27  1:47             ` KAMEZAWA Hiroyuki
2010-12-22  9:04         ` David Rientjes
2010-12-22  8:42   ` David Rientjes
2010-12-22 22:45     ` [patch v2] " David Rientjes
2010-12-27  0:52       ` KAMEZAWA Hiroyuki
2010-12-28  5:22         ` David Rientjes
2010-12-28  6:29           ` [patch v3] " David Rientjes
2011-01-04  1:41             ` KAMEZAWA Hiroyuki
2011-01-04  3:59               ` Balbir Singh
2011-01-06  1:53                 ` KAMEZAWA Hiroyuki
2011-01-06  5:46                   ` Balbir Singh
2011-01-06  5:52                     ` KAMEZAWA Hiroyuki
2010-12-25 10:47 ` [patch] " Balbir Singh
2010-12-26 20:35   ` David Rientjes
2011-02-08  0:24 David Rientjes
2011-02-08  1:55 ` KAMEZAWA Hiroyuki
2011-02-08  2:13   ` David Rientjes
2011-02-08  2:13     ` KAMEZAWA Hiroyuki
2011-02-08  2:20       ` KAMEZAWA Hiroyuki
2011-02-08  2:37         ` David Rientjes
2011-02-08 10:25           ` Balbir Singh
2011-02-09 22:19 ` David Rientjes
2011-02-10  0:04   ` KAMEZAWA Hiroyuki
2011-02-16  3:15     ` David Rientjes
2011-02-20 22:19       ` David Rientjes
2011-02-23 23:08   ` Andrew Morton
2011-02-24  0:13     ` KAMEZAWA Hiroyuki
2011-02-24  0:51     ` David Rientjes
2011-03-03 20:11       ` David Rientjes
2011-03-03 21:52       ` Andrew Morton
2011-03-08  0:12         ` David Rientjes
2011-03-08  0:29           ` Andrew Morton
2011-03-08  0:36             ` David Rientjes
2011-03-08  0:51               ` Andrew Morton
2011-03-08  1:02                 ` David Rientjes
2011-03-08  1:18                   ` Andrew Morton
2011-03-08  1:33                     ` David Rientjes
2011-03-08  2:51                       ` KAMEZAWA Hiroyuki
2011-03-08  3:07                         ` David Rientjes
2011-03-08  3:13                           ` KAMEZAWA Hiroyuki
2011-03-08  3:56                             ` David Rientjes
2011-03-08  4:17                               ` KAMEZAWA Hiroyuki
2011-03-08  5:30                                 ` David Rientjes
2011-03-08  5:49                                   ` KAMEZAWA Hiroyuki
2011-03-08 23:49                                     ` David Rientjes
2011-03-09  6:04                                       ` KAMEZAWA Hiroyuki
2011-03-09  6:44                                         ` David Rientjes
2011-03-09  7:16                                           ` KAMEZAWA Hiroyuki
2011-03-09 21:12                                             ` David Rientjes
2011-03-08  3:06                     ` KAMEZAWA Hiroyuki

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